Answer:
What has three ways out and just one way in?
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
As I walked along the path I saw something with four fingers and one thumb, but it was not flesh, fish, bone or fowl.
What goes up but never comes down?
I fly through the air on small feathered wings, seeking out life and destroying all things.
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?